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Author SHA1 Message Date
Dan Gohman
a3b9b007a8 Revert r132991. This test is failing on the 
llvm-gcc-x86_64-linux-selfhost buildbot and others.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133000 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-14 18:03:11 +00:00
Jakob Stoklund Olesen
952036def9 Fix a compile time regression caused by too small hash tables. 
Measure the worst case number of probes for a miss instead of the less
conservative number of probes required for an insertion.

Lower the limit to < 6 probes worst case.

This doubles the size of the ARM and X86 hash tables, other targets are
unaffected. LiveVariables runs 12% faster with this change.

<rdar://problem/9598545>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132999 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-14 16:58:16 +00:00
Rafael Espindola
f924dea8dd Add 132986 back, but avoid non-determinism if a bb address gets reused. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132995 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-14 15:31:54 +00:00
Nadav Rotem
ebf69c34c4 Add a testcase for #9623 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132991 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-14 13:23:10 +00:00
Rafael Espindola
7a07083c25 revert 132986 to see if the bots go green. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132988 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-14 12:48:26 +00:00
Nadav Rotem
bfdbd00d9d This testcase cause a failure on some bots. Remove the failing test until 
further investigation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132986 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-14 09:10:37 +00:00
Nadav Rotem
c2492c28ef Add a testcase for checking the integer-promotion of many different vector 
types (with power of two types such as 8,16,32 .. 512).

Fix a bug in the integer promotion of bitcast nodes. Enable integer expanding
only if the target of the conversion is an integer (when the type action is
scalarize).

Add handling to the legalization of vector load/store in cases where the saved
vector is integer-promoted.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132985 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-14 08:11:52 +00:00
Nadav Rotem
c7cb7ed013 Disable trunc-store simplification on vectors. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132984 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-14 07:18:26 +00:00
Cameron Zwarich
5b93d3ca6f Be more obvious about what is being tested. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132982 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-14 06:33:51 +00:00
Rafael Espindola
f5b5c5156c Implement Jakob's suggestion on how to detect fall thought without calling 
AnalyzeBranch.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132981 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-14 06:08:32 +00:00
Bruno Cardoso Lopes
79abd1c27c Since ARM's prefetch implementation predicted the presence of a instruction 
cache prefetch and now that the info from "prefetch" to "ARMPreload" is present,
only add a testcase for PLI.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132978 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-14 05:11:46 +00:00
Bruno Cardoso Lopes
9a767330f5 Add one more argument to the prefetch intrinsic to indicate whether it's a data 
or instruction cache access. Update the targets to match it and also teach
autoupgrade.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132976 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-14 04:58:37 +00:00
Rafael Espindola
3a42565ccb Make the threshold used by branch folding softer. Before we would get a 
sharp all or nothing transition when one extra predecessor was added. Now
we still test first ones for merging.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132974 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-14 04:41:17 +00:00
Nick Lewycky
3c2f0a11cc Fit banner in 80-col and adjust whitespace. No functionality changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132964 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-14 03:23:52 +00:00
Bill Wendling
740e5b3586 Heuristic: If the number of operands in the alias are more than the number of 
operands in the aliasee, don't print the alias.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132963 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-14 03:17:20 +00:00
John McCall
410eac5536 Test case for r132797. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132962 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-14 03:02:05 +00:00
John McCall
c975a51ac0 Use IRBuilder to make our intrinsic calls in the inliner so that we pick up 
line info correctly.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132961 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-14 02:51:53 +00:00
Evan Cheng
e889c694d8 Update BitcodeWriter to match recent Triple changes. rdar://9603399 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132959 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-14 01:51:33 +00:00
Nick Lewycky
708c1ac077 Use Value::stripPointerCasts instead of reinventing part of the wheel. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132954 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-14 00:59:24 +00:00
Cameron Zwarich
15cd80c16b Fix grammar. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132952 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-13 23:39:23 +00:00
Jim Grosbach
f921c0fe34 Clean up a few 80 column violations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132946 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-13 22:54:22 +00:00
Cameron Zwarich
c0e2607564 Rename MergeInType to MergeInTypeForLoadOrStore. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132940 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-13 21:44:43 +00:00
Cameron Zwarich
5179782cf0 Remove the HadAVector instance variable and replace it with a use of ScalarKind. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132939 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-13 21:44:40 +00:00
Cameron Zwarich
9837a5c959 Remove a vacuous check. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132938 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-13 21:44:38 +00:00
Cameron Zwarich
deb74f21f2 Have SRoA explicitly track the kind of scalar it is promoting. This is pretty 
spartan right now, but I plan to encode more information in this enum to improve
the correctness and reliability of SRoA. At least this first pass makes it
possible to make VectorTy an actual VectorType.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132937 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-13 21:44:35 +00:00
Cameron Zwarich
dd68912801 Remove an argument that is always true. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132936 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-13 21:44:31 +00:00
Jim Grosbach
7980f61f5f Fix coordination for using R4 in Thumb1 as a scratch for SP restore. 
The logic for reserving R4 for use as a scratch needs to match that for
actually using it. Also, it's not necessary for immediate <=508, so adjust
the value checked.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132934 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-13 21:18:25 +00:00
Evan Cheng
ff276b40f0 Aliased flag options should be directed to stdout, not stderr to be consistent. Patch by Julien Lerouge. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132931 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-13 20:45:54 +00:00
Bill Wendling
1922a11907 Add compatibility version when compiling the Apple way. 
<rdar://problem/9600408>


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132929 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-13 20:14:37 +00:00
Stuart Hastings
7ac8f8f341 Avoid fusing bitcasts with dynamic allocas if the amount-to-allocate 
might overflow.  Re-typing the alloca to a larger type (e.g. double)
hoists a shift into the alloca, potentially exposing overflow in the
expression.  rdar://problem/9265821


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132926 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-13 18:48:49 +00:00
Benjamin Kramer
afa88eaf65 Move class into an anonymous namespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132925 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-13 18:38:56 +00:00
Nadav Rotem
00404bfaef Fix a bug in FindMemType. When widening vector loads, use a wider memory type 
only if the number of packed elements is a power of two.
Bug found in Duncan's testcase.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132923 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-13 18:13:24 +00:00
Chris Lattner
83f9467436 mention graph vis isn't available in Release builds. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132916 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-13 15:59:35 +00:00
Benjamin Kramer
e7fdcad2f2 InstCombine: Fold A-b == C --> b == A-C if A and C are constants. 
The backend already knew this trick.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132915 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-13 15:24:24 +00:00
Benjamin Kramer
aa99bea46f Revert r132910 and r132909 on behalf of Michael. They didn't build with clang. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132914 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-13 12:56:51 +00:00
Michael J. Spencer
5e45dc40d3 Revert the last two commits in the series. r132911, r132912. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132913 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-13 11:53:31 +00:00
Michael J. Spencer
bc437ebbca Modify llvm-nm to use new Binary creation method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132912 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-13 11:12:42 +00:00
Michael J. Spencer
69aec36f9b Make Binary the parent of ObjectFile and update children to new interface. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132911 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-13 11:12:33 +00:00
Michael J. Spencer
fc9ec691da Add Binary class. This is a cleaner parent than ObjectFile. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132910 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-13 11:12:12 +00:00
Michael J. Spencer
bf58996c08 Add Object/Error. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132909 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-13 11:11:59 +00:00
Michael J. Spencer
cbda61a468 Fix spelling and sort CMakeLists.txt. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132908 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-13 11:11:39 +00:00
Nick Lewycky
9a488a8317 It's possible that an all-zero GEP may be used as the argument to lifetime 
intrinsics. In fact, we'll optimize a bitcast to that when possible. Detect it
when looking for the lifetime intrinsics.

No test case, noticed by inspection.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132906 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-13 07:52:46 +00:00
Jakob Stoklund Olesen
5e5ed44577 Be less aggressive about hinting in RAFast. 
In particular, don't spill dirty registers only to satisfy a hint. It is
not worth it.

The attached test case provides an example where the fast allocator
would spill a register when other registers are available.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132900 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-13 03:26:46 +00:00
Jakob Stoklund Olesen
687397c013 Include callee-saved registers in debug output. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132899 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-13 03:26:42 +00:00
Rafael Espindola
fb66f477a1 Fix invalid uses of Twine. Hopefully this fixes the problem that Takumi is 
having.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132898 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-13 03:09:13 +00:00
Benjamin Kramer
ffd0ae64c4 InstCombine: Shrink ((zext X) & C1) == C2 to fold away the cast if the "zext" and the "and" have one use. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132897 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-12 22:48:00 +00:00
Benjamin Kramer
7e7c9cc31a Simplify code. No functionality changes, name changes aside. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132896 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-12 22:47:53 +00:00
Benjamin Kramer
b73cd94292 Happy new year. 
Only 163 days late!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132895 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-12 15:26:54 +00:00
Nadav Rotem
0c3e67860a Fix a bug in the calculation of the vectorTypeBreakdown into registers. Odd 
types such as i33 were rounded to i32. Originated from Duncan's testcase.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132893 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-12 14:56:55 +00:00
Nadav Rotem
b05f14b3b9 Improve the generated code by getCopyFromPartsVector for promoted integer types. 
Instead of scalarizing, and doing an element-by-element truncat, use vector
truncate.
Add support for scalarization of vectors:  i8 -> <1 x i1> (from Duncan's
testcase).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132892 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-12 14:49:38 +00:00